Title:
GAS TURBINE BLADE
Document Type and Number:
Japanese Patent JP2000282804
Kind Code:
A
Abstract:
To improve the heat transfer coefficient factor of a cooling medium, when a cooling medium flows to the cooling passage of a hollow blade effective part.
This gas turbine blade is provided in a blade effective part 2 with a front edge passage 11, front edge intermediate passages 14 and 17, a front edge return passage 10, a rear edge return passage 22, and a rear edge passage 20. Each of the passages 11, 14, 17, 20, 22 and the like is provided with at lease one or more of a triangular pyramidal heat transfer accelerating element 25a, a quadrilateral heat transfer accelerating element 25c, and a half- curved surface-like heat transfer accelerating element 25b.
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Inventors:
NIIZEKI YOSHIKI
OKAMURA TAKANARI
KOGA AKINORI
OKAMURA TAKANARI
KOGA AKINORI
Application Number:
JP9029299A
Publication Date:
October 10, 2000
Filing Date:
March 30, 1999
Export Citation:
Assignee:
TOSHIBA CORP
TOSHIBA AITEKKU KK
TOSHIBA AITEKKU KK
International Classes:
F01D5/18; F01D9/02; (IPC1-7): F01D5/18; F01D9/02
Attorney, Agent or Firm:
Hisano Hatano (1 person outside)